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gasanovadiana3
@gasanovadiana3
July 2022
1
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Решите уравнение , используя основное свойство дроби ; 1 ) 5/7=9х+2/28 ; 2)9/13= 5х+2/39 ; 3 ) 8/19=7х-4/57; 4)33/45=2х-1/15 ; 5 ) 26/3=4х+1/19 ; 6 ) 45/151=2х-3/17. помаги пожайлуста
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veronicatyn
1)5/7-2/28=9х
20-2/28=9х
9/14=9х
х=9/14:9
х=1/14
2)9/13-2/39=5х
25/39=5х
х=25/39:5
х-5/39
3)8/19+4/57=7х
14/27=7х
х=14/27:7
х=2/27
4)33/45+1/15=2х
12/15=2х
х=12/15:2
х=2/5
5)26/38-1/19=4х
12/19=4х
х=12/19:4
х=3/19
1 votes
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gasanovadiana3
дай пажайлуста 6)пример
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Answers & Comments
20-2/28=9х
9/14=9х
х=9/14:9
х=1/14
2)9/13-2/39=5х
25/39=5х
х=25/39:5
х-5/39
3)8/19+4/57=7х
14/27=7х
х=14/27:7
х=2/27
4)33/45+1/15=2х
12/15=2х
х=12/15:2
х=2/5
5)26/38-1/19=4х
12/19=4х
х=12/19:4
х=3/19